Join the discussion
Question 1/159
Which of the following methods can read data non-blocking in Python's telnetlib?
Correct Answer: C
Add Comments
- Other Question (159q)
- Q1. Which of the following methods can read data non-blocking in Python's telnetlib?...
- Q2. What kind of message does the DHCP server use to confirm that the host can use the IP addr...
- Q3. Neither the Alternate interface nor the Backup port in RSTP can forward user traffic, nor ...
- Q4. The network devices running the SNMP protocol are running locally-an agent process....
- Q5. Which of the following descriptions about wireless devices is correct?...
- Q6. The network shown in the figure below. The administrator hopes that RTA uses static routin...
- Q7. In the network shown in the figure, which of the following description is correct? (Exhibi...
- Q8. Network equipment running the SNMP protocol can take the initiative to report alarm inform...
- Q9. The tree network topology is actually a hierarchical star structure, which is easy to expa...
- Q10. Which of the following working modes are supported by Huawei Enterprise AP? (Multiple Choi...
- Q11. When the IPv4 protocol is used as the network layer protocol, which field is not included ...
- Q12. In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message s...
- Q13. How to enter the view of OSPF area 0 in the vrp operating system? (Multiple choice)...
- Q14. Which OSPF version below is suitable for IPv6?...
- Q15. Which information of the data frame does the VLANIF interface use to determine whether to ...
- Q16. After the system restarts the static MAC address table, the saved entries will not be lost...
- Q17. Which of the following statements about the division of OSPF protocol area is wrong?...
- Q18. Which of the following is not the reason for RSTP improving the convergence speed?...
- Q19. As shown in the network below, all switches enable STP protocol. Disable SWA's G0/0/2 port...
- Q20. If the broadcast address of a network is 172.16.1.255, what might its network address be?...
- Q21. Which planes of the following does a network device have? (Multiple choice)...
- Q22. Which of the following statements about link aggregation is correct?...
- Q23. A company has 50 private IP addresses. The administrator uses NAT technology to connect th...
- Q24. Hybrid port can be connected to user host and other switches....
- Q25. The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 e...
- Q26. The Layer 2 switch is a data link layer device, which can identify the MAC address informa...
- Q27. Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the net...
- Q28. In the WLAN architecture, the FIT AP cannot work independently and needs to be managed by ...
- Q29. Trunk ports can allow multiple VLANs to pass, including VLAN4096....
- Q30. As shown in the figure, after the two routers are configured with OSPF, the administrator ...
- Q31. On Huawei switches, you can use the command vlan batch to create multiple VLANs in batches...
- Q32. Which of the following statements about the default route are correct? (Multiple Choice)...
- Q33. When deploying ACL on Huawei devices, which of the following description is correct? (Mult...
- Q34. Refer to the route-in-a-stick configuration in the figure below, it can be judged that the...
- Q35. Which of the following fields does the ARP packet format include? (Multiple choice)...
- Q36. As shown in the figure below, the network and switch configuration information are shown i...
- Q37. Complete the ACL configuration shown in the figure on the router RTA, which of the followi...
- Q38. When two OSPF routers form a 2-WAY neighbor relationship, the LSDB has been synchronized....
- Q39. The router Radius information configuration is shown in the figure. Which of the following...
- Q40. Which extension headers are supported by IPv6 packets? (Multiple choice)...
- Q41. The MAC address table of the existing switch is shown in the figure. Which of the followin...
- Q42. In the network as shown in the figure below, the host has an ARP cache. Which of the follo...
- Q43. An existing switch is connected to a designated port through a port, but the port does not...
- Q44. The switch receives a unicast data frame. If the destination MAC of the data frame can be ...
- Q45. The router needs to modify the destination IP address in the data packet when forwarding d...
- Q46. The Priority field in the VLAN tag can identify the priority of the data frame. What is th...
- Q47. Which state does the OSPF protocol use to indicate that the adjacency relationship has bee...
- Q48. The Backup ports in RSTP may alternatively failed root port....
- Q49. Which of the following statements about IPv6 multicast addresses are correct? (Multiple Ch...
- Q50. In the network shown in the figure below, which of the following commands can be entered o...
- Q51. Which of the following statement about Python is incorrect?...
- Q52. The second layer ACL can match the source MAC, destination MAC, source IP, destination IP ...
- Q53. On which layer of the OSI reference model does the Ethernet switch work?...
- Q54. Which statement about the Hybrid port is correct?...
- Q55. When Huawei switches allow STP, the priority of the switch is by default:...
- Q56. In the network shown in the figure below, the host has an ARP cache, and host A sends a pa...
- Q57. Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following...
- Q58. As shown in the figure, a static NAT command is deployed on router R1. When the PC accesse...
- Q59. If the transport layer protocol is UDP, the value of the network layer Protocol field is 6...
- Q60. The administrator plans to implement route backup by configuring static floating routes, w...
- Q61. The routing table output information of a router is shown in the figure. Which of the foll...
- Q62. Which of the following statement about static routing in Huawei equipment is wrong?...
- Q63. What is the coverage area of an AP in WLAN?
- Q64. Which of the following characteristics does the OSPF protocol have? (Multiple Choice)...
- Q65. In the RSTP standard, in order to improve the convergence speed, the port that the switch ...
- Q66. As shown in the figure, all four switches run STP, and various parameters adopt default va...
- Q67. Which of the following authentication methods does not require the user name and password?...
- Q68. In the network shown in the figure below, host A logs in to router A through Telnet, and t...
- Q69. If the largest number in an ACL rule is 12, by default, the user does not specify a number...
- Q70. In order to realize the network layer function on VLANIF interface, what need to be config...
- Q71. The last option field of IPv4 is variable-length optional information. What is the maximum...
- Q72. VLAN 4095 cannot be created on Huawei switches, and VLAN 1 cannot be created....
- Q73. When the Trunk port send the data frame, how to deal with?...
- Q74. Which version of the SNMP protocol below supports encryption features?...
- Q75. If STP is not turned on for the network composed of switches, there must be a Layer 2 loop...
- Q76. The MAC address table of existing switches is shown in the figure. Which of the following ...
- Q77. The network management workstation manages network equipment through the SNMP protocol. Wh...
- Q78. What are the network types supported by the OSPF protocol? (Multiple Choice)...
- Q79. Connection between switches and hosts, which port link type is often used by the switch?...
- Q80. What is the range of VLAN ID that users can use?...
- Q81. On Huawei routers, what is the default value of the OSPF protocol internal routing priorit...
- Q82. Which of the following options are configured in a Layer 2 ACL? (Multiple choices)...
- Q83. As shown in the figure below, router A has Telnet router B through IP address 10.0.12.2. I...
- Q84. What is the main function of the DNS protocol?...
- Q85. What is the number range of advanced ACL?
- Q86. Which stage of the life cycle of campus network construction is the beginning of a project...
- Q87. The administrator cannot log in to the Huawei router through Telnett, but other administra...
- Q88. By default, what is the STP Forward Delay time in seconds?...
- Q89. What is the maximum negotiation rate supported by the IEEE 802.llg standard?...
- Q90. Which type of message is used by network devices running SNMPv 1 protocol to actively send...
- Q91. At present, the company has a network administrator, and the AR2200 in the company network...
- Q92. On the VRP platform, which of the following methods can be used to access the previous his...
- Q93. The network shown below, it is desirable host traffic network administrator during plannin...
- Q94. What address does 192.168.1.127/25 represent?
- Q95. The network administrator created VLAN 10 on the Layer 3 switch and configured an IP addre...
- Q96. Which fields in the IPv4 header are related to fragmentation? (Multiple Choice)...
- Q97. Telnet is based on TCP protocol.
- Q98. The device port running STP protocol is in Forwarding state. Which of the following statem...
- Q99. The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD)....
- Q100. What is the first operation performed by the FIT AP after obtaining the AC's IP address?...
- Q101. The controller is the core component of SDN. The controller connects to the device through...
- Q102. Which of the following parameters is not included in the configuration BPDU of the STP pro...
- Q103. There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency ba...
- Q104. Which of the following statements about direct routing is correct?...
- Q105. FAT AP can independently complete wireless user access, wireless user authentication, and ...
- Q106. Which of the following refers to network communication? (Multiple choice)...
- Q107. How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?...
- Q108. On the VRP platform, the default protocol priority of routes in the direct routing, static...
- Q109. As shown in the figure, there is a web server in the private network that needs to provide...
- Q110. On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choic...
- Q111. VRP operating platform, which of the following commands can only view static routes?...
- Q112. In the network shown in the figure, the administrator hopes that all hosts cannot access t...
- Q113. VRP operating system commands are divided into 4 levels: access level, Monitoring level, C...
- Q114. There is no channel overlap in the 14 available frame segments in the 185.2.4 GHz frame se...
- Q115. The output information of the sub-interface of a router aggregate port 1 is shown in the f...
- Q116. By default, network devices running SNMPv2c protocol use which of the following port numbe...
- Q117. In the network shown in the figure below, the router receives a data packet with a destina...
- Q118. Which of the following messages is used by AP to request software version from AC?...
- Q119. The management of users by NAS devices is based on domains. Each user belongs to a domain,...
- Q120. UDP cannot guarantee the reliability of data transmission, and does not provide functions ...
- Q121. The following statements about the election of active ports in link aggregation LACP mode....
- Q122. In which of the following network types does the OSPF protocol need to elect DR and BDR? (...
- Q123. Which of the following IPv6 addresses is a multicast address?...
- Q124. What is the length of the Ethernet_II frame containing the Ethernet header?...
- Q125. What frequency does IEEE 802.11n support? (Multiple Choice)...
- Q126. If the broadcast address of a network is 172.16.1.255, then what may its network address b...
- Q127. In the network shown in the figure below, host A is not configured with a gateway, and hos...
- Q128. Which statement is wrong about the ARP message?...
- Q129. If the network address of a network is 10.1.1.0/30, what is its broadcast address?...
- Q130. What is the total length of the VLAN frame format defined by IEEE802.1Q?...
- Q131. The host uses the IP address 192.168.1.2 to access the Internet, which must go through NAT...
- Q132. FIT AP can work independently without relying on AC....
- Q133. Which of the following cannot be the length of the IPv4 packet header?...
- Q134. In the OSPF broadcast network, which routers will a Dothter router exchange link state inf...
- Q135. When using FTP for file transfer, how many TCP connections will be established?...
- Q136. After the network administrator uses the TracertRoute function on the router device, in th...
- Q137. Which of the following types does IPv6 address contain?...
- Q138. The subnet mask of a network segment 150.25.0.O is 255.255.224.0, then what is a valid hos...
- Q139. As shown in the figure below, the MAC address table of SWA is as follows. The switch can't...
- Q140. In the campus network planning, which of the following ways can business VLAN be divided?...
- Q141. The network administrator of a certain company wants to uniformly divide the users who oft...
- Q142. Which of the following descriptions are correct about the concept of IEV architecture? (Mu...
- Q143. Which of the following networks belong to a local area network? (Multiple choice)...
- Q144. Which of the following statement about static routing is wrong?...
- Q145. In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty...
- Q146. Regarding the control plane of the device, which of the following statements is correct? (...
- Q147. What is the full name of the general routing platform VRP?...
- Q148. Which of the following port states is not included in the RSTP protocol?...
- Q149. The network management system can only view the operating status of the device through the...
- Q150. NFV (Network Functional Virtualization), network function virtualization realizes the depl...
- Q151. Which of the following SNMP packets are sent to the NMS by the Agent on the managed device...
- Q152. Which of the following statement about the TTL field in the IP packet header is correct?...
- Q153. 44.Which of the following protocols consist of the PPP protocol? (Multiple Choice)...
- Q154. The correct description of the information as shown in the figure is (). [R1]display inter...
- Q155. Which of the following commands can modify the device name to huawei?...
- Q156. When using the FTP protocol to upgrade the router software, which of the following transmi...
- Q157. In the network shown in the figure below, the bridge ID of the switch has been marked. Ent...
- Q158. The classic network forwarding method is based on router routing table forwarding. The for...
- Q159. PPPoE session can only use CHAP authentication....
